1 error: non-defining opaque type use in defining scope
2 --> $DIR/issue-60564.rs:19:34
4 LL | fn iter_bits(self, n: u8) -> Self::BitsIter {
7 note: used non-generic type `u8` for generic parameter
8 --> $DIR/issue-60564.rs:8:25
10 LL | type IterBitsIter<T, E, I> = impl std::iter::Iterator<Item = I>;
13 error: aborting due to previous error